package io;

import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;

public class Copy2 {
    public static void main(String[] args) throws IOException {
        FileInputStream fis = new FileInputStream("skin2.jpg");
        FileOutputStream fos = new FileOutputStream("skin22.jpg");
        long start = System.currentTimeMillis();
        byte[] data = new byte[1024*10];
        int len;
        while((len=fis.read(data))!=-1){
            fos.write(data,0,len);
        }
        long end = System.currentTimeMillis();
        System.out.println("复制完毕!耗时:"+(end-start)+"ms");
        fis.close();
        fos.close();

    }
}
